Yes I found a solution in my answer here: https://serverfault.com/questions/1002021/nginx-fails-on-high-load-with-debian10-and-not-with-debian9 accept_mutex changed from on to off in the default value. Setting it back to "on" and Nginx is happily running with 10k requests per second again. I guess it is a combination of multi_accept and accept_mutex which caused my troubles. regby janning - Nginx Mailing List - English
My first post here as we had never any problems with nginx. We use 5 nginx server as loadbalancers for our spring boot application. We were running them for years on debian 9 with the default nginx package 1.10.3 Now we switched three of our loadbalancers to debian 10 with nginx 1.14.2 First everything runs smoothly. Then, on high load we encountered some problems. It starts with 202by janning - Nginx Mailing List - English